MAX1898EUB41+T

更新时间： 2024-11-06 13:10:27

品牌	Logo	应用领域
美信 - MAXIM		电源电路电池电源管理电路光电二极管信息通信管理
页数	文件大小	规格书
12页	211K
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替代型号

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MAX1898EUB41+T 数据手册

19-2295; Rev 0; 1/02

Linear Charger for Single-Cell Li+ Battery

General Description

Features

The MAX1898, with an external PNP or PMOS transistor,

forms a complete charger for 1-cell lithium-ion (Li+) bat-

teries. The MAX1898 provides accurate constant-cur-

rent/constant-voltage charging. Battery regulation voltage

accuracy is ±±.ꢀ75 for optimum battery performance

and cycle life. Charging current is user set, but is sensed

internally so no external current-sense resistor is needed.

The MAX1898 also provides outputs to monitor charge

status, presence-of-input power source, and charge cur-

rent. Additional features include shutdown, optional

charge-cycle restart without input-power cycling, selec-

table charge termination safety timer, and low-current

preconditioning for deeply discharged cells.

ꢀ Simple, Safe Linear Charger

ꢀ Uses Low-Cost PNP or PMOS Pass Element

ꢀ 4.5V to 12V Input Range

ꢀ Internal Current-Sense Resistor

ꢀ ±±.ꢀ5ꢁ Voltage ꢂAAuraAc

ꢀ Programmable Charging Current

ꢀ ꢂutomatiA Input Power-SourAe DeteAtion

ꢀ LED Charge Status IndiAator

ꢀ Programmable Safetc Timer

ꢀ Current-Sense Monitor Output

ꢀ Optional/ꢂdjustable ꢂuto-Restart

ꢀ Small µMꢂX PaAkage

The MAX1898 offers the maximum integration and func-

tionality in the smallest, most basic application circuit

possible. Very few external components are required.

The MAX1898 offers two versions to safely charge all

Li+ battery chemistries. The battery regulation voltage

is 4.2V for the MAX1898EUB42 and 4.1V for the

MAX1898EUB41. Both are available in a 1±-pin ultra-

thin µMAX package.

Ordering Information

PꢂRT

TEMP RꢂNGE

-4±°C to +87°C

PIN-PꢂCKꢂGE

1± µMAX

MAX1898EUB42

MAX1898EUB41

1± µMAX

Applications

Single-Cell Li+ Powered Portables

Self-Charging Battery Packs

PDAs

Typical Operating Circuit

Cell Phones

INPUT

4.5V TO 12V

Cradle Chargers

OUTPUT

LED

Li+

BATTERY

MAX1898

Pin Configuration

CHG

DRV

TOP VIEW

EN/OK

BATT

ISET

OFF

CHG

EN/OK

ISET

10 CS

DRV

CT SETS

CHARGE

TIME

MAX1898

GND

SETS CHARGE

CURRENT

BATT

RSTRT

GND

µMꢂX

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...12

中文翻译

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MAX1898EUB41+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX1898EUB41+	MAXIM	完全替代	Power Supply Support Circuit, Adjustable, 2 Channel, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1898EUB41-T	MAXIM	完全替代	暂无描述
MAX1898EUB41	MAXIM	完全替代	Linear Charger for Single-Cell Li Battery

与MAX1898EUB41+T相关器件

型号	品牌	获取价格	描述	数据表
MAX1898EUB41-T	MAXIM	获取价格	暂无描述
MAX1898EUB42	MAXIM	获取价格	Linear Charger for Single-Cell Li Battery
MAX1898EUB42+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 2 Channel, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1898EUB42+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 2 Channel, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX1898EUB42-T	MAXIM	获取价格	暂无描述
MAX1898EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1898
MAX189ACPA	MAXIM	获取价格	+5V, Low-Power, 12-Bit Serial ADCs
MAX189ACPA+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDIP8, 0.30
MAX189ACWE	MAXIM	获取价格	+5V, Low-Power, 12-Bit Serial ADCs
MAX189ACWE+	MAXIM	获取价格	暂无描述

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